Inanna and Ereshkigal, the two sisters, light and dark respectively, together represent, according to the antique manner of symbolization, the one goddess in two aspects; and their confrontation epitomizes the whole sense of the difficult road of trials.
Campbell establishes Ereshkigal as the dark half of a dual-aspect goddess whose confrontation with Inanna constitutes the archetypal pattern of the hero's road of trials.
, The Hero With a Thousand Faces, 2015thesis